Which of the following statements is always correct?
The correct answer is (a) An atom has an equal number of electrons and protons. Atoms are electrically neutral, meaning the number of protons (positively charged) always equals the number of electrons (negatively charged). However, the number of neutrons may vary, forming different isotopes of the element.
Class 9th Science NCERT MCQ Questions
NCERT Books MCQ Questions Session 2024-2025.
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(a) An atom always has equal number of electrons and protons.
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